107693-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107693-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,9 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 107693-34:
(8*1)+(7*0)+(6*7)+(5*6)+(4*9)+(3*3)+(2*3)+(1*4)=135
135 % 10 = 5
So 107693-34-5 is a valid CAS Registry Number.